#include<iostream>
using namespace std;

class A
{
public:
	void PrintA()
	{

		cout << this << endl;
		//cout<<_a<<endl;
		cout << "Print()" << endl;
	}
private:
	int _a;
};

int main()
{
	A* p = nullptr;

	p->PrintA();
	(*p).PrintA();

	return 0;
}